Answer:
a. 80°
b. Corresponding Angles
Step-by-step explanation:
We are given lines with a certain amount of angles, we are then asked how much is angle A and which answer justifies question A.
A.
We can see that in angle E, it is 80 degrees, look at a again and realize that they no different from eachother, their angle length is the exact same, therefore angle A is also 80°.
B.
Let's define all the types given :
Corresponding - Two angles crossed by another line
Alternate - Angles that are in opposite positions
Vertically Opposite - Angles formed when two lines intersect.
Which would fit this description?
Corresponding Angles
